Add gRPC support for Min and Max metric aggregations#20794

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yiyuabc wants to merge 7 commits intoopensearch-project:mainfrom

yiyuabc:feature/min-max-aggregations

Commits on Mar 14, 2026

Add gRPC support for Min and Max metric aggregations

yiyuabc
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claude
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Implement gRPC aggregation converter pattern and AggregationsProtoUtils

yiyuabc
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claude
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Remove outdated sub-packages documentation from package-info

yiyuabc
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Add aggregation name validation matching REST API behavior

yiyuabc
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Fix test assertion values to match mock data

yiyuabc
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Refactor gRPC converters to use registry pattern

yiyuabc
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claude
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Add integration tests for min/max aggregations and fix javadocs

yiyuabc
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